Datasheet

Table 1. Continuous Mode SNR (dB) vs Data Rate and PGA Gain with Sinc Filter
*
DATA
RATE
(sps)
DIRECT
CONNECT
BUFFER
PGA ENABLED: GAIN SETTING
1 2 4 8 16 32 64 128
LN LP LN LP LN LP LN LP LN LP LN LP LN LP LN LP
1.9 129.8 130.2 128.8 128.7 130.0 129.5 129.8 129.8 130.0 130.0 129.7 129.7 130.0 129.5 128.7 127.6 126.1 124.0
3.9 129.8 129.9 128.6 128.5 130.1 129.9 130.0 129.7 129.9 129.7 129.4 129.4 129.6 128.8 127.9 126.9 124.3 122.6
7.8 129.4 129.8 128.4 128.3 129.9 129.6 129.7 129.6 129.5 129.5 129.5 129.3 128.6 127.7 126.6 125.4 122.3 120.2
15.6 129.3 129.5 128.2 128.2 129.5 129.5 129.6 129.5 129.2 129.0 128.7 127.8 127.9 126.5 124.8 123.4 119.7 117.0
31.2 125.5 125.6 124.4 124.2 125.7 125.5 125.7 125.5 125.2 125.2 124.9 124.7 123.9 123.5 121.3 120.2 116.6 114.7
62.5 123.4 123.6 122.3 122.1 123.6 123.4 123.5 123.5 123.2 123.2 122.8 122.7 121.6 121.2 118.8 117.5 113.8 111.9
125 119.9 119.9 118.7 118.6 120.0 120.0 119.9 119.9 119.7 119.7 119.4 119.3 118.4 117.8 115.7 114.3 110.8 108.8
250 117.9 118.0 116.7 116.7 118.0 118.0 117.9 117.9 117.7 117.8 117.3 117.1 116.1 115.4 113.1 111.6 108.0 105.9
500 114.1 114.2 113.0 112.9 114.2 114.2 114.1 114.1 114.0 114.0 113.6 113.5 112.6 112.0 110.0 108.4 105.0 102.9
1000 112.0 112.1 110.9 110.8 112.2 112.2 112.0 112.0 111.9 111.9 111.5 111.2 110.3 109.5 107.3 105.7 102.2 100.0
2000 108.1 108.2 106.9 106.9 108.3 108.3 108.2 108.2 108.1 108.1 107.8 107.5 106.8 106.1 104.2 102.6 99.2 97.1
4000 106.1 106.2 104.9 104.9 106.2 106.2 106.1 106.1 106.0 106.0 105.6 105.3 104.5 103.8 101.8 100.2 96.7 94.6
8000 102.2 102.3 101.0 101.0 102.4 102.4 102.3 102.3 102.2 102.2 102.0 101.7 101.2 100.6 99.0 97.6 94.4 92.4
16000 100.2 100.3 99.0 99.0 100.3 100.4 100.3 100.3 100.2 100.2 100.0 99.9 99.4 99.0 97.5 96.3 93.2 91.3
32000 96.2 96.3 95.1 95.1 96.4 96.4 96.3 96.4 96.3 96.3 96.2 96.0 95.7 95.3 94.1 93.0 90.2 88.4
64000 94.2 94.2 93.0 92.9 94.3 94.4 94.2 94.2 94.2 94.2 94.1 93.9 93.6 93.2 91.9 90.8 87.9 86.2
*V
IN
= 0V. V
AVDD
= 3.6V, V
AVSS
= 0V, V
REF
= 3.6V, T
A
= +25°C, external clock. Data taken with PGA output 150mV from AVDD
and AVSS. This table is not tested and is based on characterization data.
MAX11270 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
www.maximintegrated.com
Maxim Integrated │ 18